US PATENT SUBCLASS 423 / 533
.~.~.~ Utilizing catalyst in reaction

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

511  DF  SULFUR OR COMPOUND THEREOF {4}
512.1  DF  .~ Oxygen containing {11}
532  DF  .~.~ Sulfur trioxide {1}
533.~.~.~ Utilizing catalyst in reaction {4}
534  DF  .~.~.~.~> Promoter or successive diverse catalysts
535  DF  .~.~.~.~> Catalyst contains oxygen, vanadium, and another metal
536  DF  .~.~.~.~> Platinum catalyst {1}
538  DF  .~.~.~.~> Oxygen containing catalyst

DEFINITION

Classification: 423/533

(under subclass 532) Processes wherein a catalyst is employed in a reaction.

SEE OR SEARCH CLASS

502, Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making,

100+, for specific catalysts.